Troubleshooting Network Connection 113/135 Series

by | Mar 21, 2017 | Procedure Change to Static IP 113/135-Group, Trouble Shooting Networks-Group

If the previous setup procedure failed to bring GRIDlink Online here are the steps to take at the device.

LED Network Connection Indication


PWR – (Power) ON Solid

If the IPm is configured for DHCP and the network DHCP server does not assign an IP address, the DC Power light will blink. Contact the network administrator.

100 –  (Network Speed) ON Solid

ACT- (Activity) Blinking

PWR LED Continues Blinking

Power cycle the GRIDlink to establish a new new connection. Wait up to 2 minutes for the PWR LED to quit blinking.

100 / ACT LEDs Remain Off


 If the Speed and Activity LEDs remain OFF this indicates a Physical Layer failure in the network and can be caused by:

  1. A bad port in the Ethernet switch which connects the GRIDlink.
  2. A bad CAT5E cable.
  3. A bad RJ45 connector.

Office-grade RJ45 connectors are sometimes undersized by a tiny amount and don’t fit properly. They are probably within their manufacturing tolerances but on the low side. The best test for this is to wiggle the connector and see if the lights flicker.

The GRIDlink is designed to accept a metal-shielded (industrial) RJ45 connector like this one: